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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/mfd/tps65912-i2c.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/mfd/tps65912-i2c.c')
-rw-r--r--drivers/mfd/tps65912-i2c.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/mfd/tps65912-i2c.c b/drivers/mfd/tps65912-i2c.c
new file mode 100644
index 000000000..7e2b19efe
--- /dev/null
+++ b/drivers/mfd/tps65912-i2c.c
@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * I2C access driver for TI TPS65912x PMICs
+ *
+ * Copyright (C) 2015 Texas Instruments Incorporated - https://www.ti.com/
+ * Andrew F. Davis <afd@ti.com>
+ *
+ * Based on the TPS65218 driver and the previous TPS65912 driver by
+ * Margarita Olaya Cabrera <magi@slimlogic.co.uk>
+ */
+
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+
+#include <linux/mfd/tps65912.h>
+
+static const struct of_device_id tps65912_i2c_of_match_table[] = {
+ { .compatible = "ti,tps65912", },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, tps65912_i2c_of_match_table);
+
+static int tps65912_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *ids)
+{
+ struct tps65912 *tps;
+
+ tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);
+ if (!tps)
+ return -ENOMEM;
+
+ i2c_set_clientdata(client, tps);
+ tps->dev = &client->dev;
+ tps->irq = client->irq;
+
+ tps->regmap = devm_regmap_init_i2c(client, &tps65912_regmap_config);
+ if (IS_ERR(tps->regmap)) {
+ dev_err(tps->dev, "Failed to initialize register map\n");
+ return PTR_ERR(tps->regmap);
+ }
+
+ return tps65912_device_init(tps);
+}
+
+static void tps65912_i2c_remove(struct i2c_client *client)
+{
+ struct tps65912 *tps = i2c_get_clientdata(client);
+
+ tps65912_device_exit(tps);
+}
+
+static const struct i2c_device_id tps65912_i2c_id_table[] = {
+ { "tps65912", 0 },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(i2c, tps65912_i2c_id_table);
+
+static struct i2c_driver tps65912_i2c_driver = {
+ .driver = {
+ .name = "tps65912",
+ .of_match_table = tps65912_i2c_of_match_table,
+ },
+ .probe = tps65912_i2c_probe,
+ .remove = tps65912_i2c_remove,
+ .id_table = tps65912_i2c_id_table,
+};
+module_i2c_driver(tps65912_i2c_driver);
+
+MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>");
+MODULE_DESCRIPTION("TPS65912x I2C Interface Driver");
+MODULE_LICENSE("GPL v2");